llvm-project/clang/test/CXX/drs/dr16xx.cpp

46 lines
1.6 KiB
C++

// RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++1z -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
#if __cplusplus < 201103L
// expected-no-diagnostics
#endif
namespace dr1684 { // dr1684: 3.6
#if __cplusplus >= 201103L
struct NonLiteral { // expected-note {{because}}
NonLiteral();
constexpr int f() { return 0; } // expected-warning 0-1{{will not be implicitly 'const'}}
};
constexpr int f(NonLiteral &) { return 0; }
constexpr int f(NonLiteral) { return 0; } // expected-error {{not a literal type}}
#endif
}
#if __cplusplus >= 201103L
namespace dr1631 { // dr1631: 3.7 c++11
// Incorrect overload resolution for single-element initializer-list
struct A { int a[1]; };
struct B { B(int); };
void f(B, int);
void f(B, int, int = 0);
void f(int, A);
void test() {
f({0}, {{1}}); // expected-warning {{braces around scalar init}}
}
namespace with_error {
void f(B, int); // TODO: expected- note {{candidate function}}
void f(int, A); // expected-note {{candidate function}}
void f(int, A, int = 0); // expected-note {{candidate function}}
void test() {
f({0}, {{1}}); // expected-error{{call to 'f' is ambiguous}}
}
}
} // dr1631
#endif